diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 53a5603..4bdd072 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -30,4 +30,4 @@ jobs:
       run: composer install --prefer-dist --no-progress
 
     - name: Run test suite
-      run: phpunit tests
+      run: ./vendor/bin/phpunit